Quarterly report pursuant to Section 13 or 15(d)

PENSION BENEFITS - Net periodic benefit costs reflected in the Company's Financial Statements (Details)

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PENSION BENEFITS - Net periodic benefit costs reflected in the Company's Financial Statements (Details) - Pension Plan - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Jun. 25, 2020
Sep. 30, 2019
Defined Benefit Plan Disclosure          
Net periodic benefit (credit) cost $ (182) $ (182) $ 359 $ (258) $ 1,092
Cost of Goods Sold          
Defined Benefit Plan Disclosure          
Net periodic benefit (credit) cost 0 0 125 0 387
Selling, general and administrative expense          
Defined Benefit Plan Disclosure          
Net periodic benefit (credit) cost 0 0 234 0 705
Other income, net          
Defined Benefit Plan Disclosure          
Net periodic benefit (credit) cost $ (182) $ (182) $ 0 $ (258) $ 0